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DESCRIPTION JPS55155171

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DESCRIPTION JPS55155171
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a conventional speaker
device, FIG. 2 is a cross-sectional side view of an internal structure of a conventional speaker
device, FIG. 2B is a rear sectional view, and FIG. 3 FIG. 4 is a perspective view of a speaker device
according to an embodiment, and FIG. 4 is a cross-sectional side view of the internal structure of
the speaker device of the present invention, and FIG. In the figure, 1 is a speaker box, 2 is a
speaker unit, and 3 is a rib. In the figures, the same reference numerals denote the same or
corresponding parts.
DETAILED DESCRIPTION OF THE PROBLEM The present invention relates to a speaker device,
particularly a speaker box for mounting a speaker unit. Conventionally, there were apparatuses
of this type as shown in FIGS. 1 and 2. flla metal made speaker box, (2) speaker unit attached to
the speaker box f11. (Hereinafter, a combination of the speaker box (1) and the speaker box (2)
is called a speaker device. Next, the operation will be described. Speaker device -2, (1) / (. 2) · 'are
connected to a predetermined audio device, and the speaker unit + 21 is driven. Although the
conventional speaker device is driven as described above, when the input is applied to the
speaker unit (2), the vibration of the speaker unit (2) is transmitted to the wall surface of the
speaker box (1), depending on the input and input frequencies, Split resonance which is
detrimental to the auditory sense is caused by the wall surface of the speaker box (1). The
present invention has been made to eliminate the drawbacks of the prior art as described above,
and it is an object of the present invention to provide a speaker box fi + with a plurality of metal
ribs formed on the inner wall of the speaker box fi + by molding the speaker box fi 1 body, So as
to suppress the split resonance of the wall surface of the speaker box so as to improve the sound
quality. Hereinafter, an embodiment of the present invention will be described with reference to
the drawings. In Figs. 3 and 4, (1) is a metallic spi (2) vengeance - car box, (2) is a speaker box
attached with a speaker box (1) K, (3) is a speaker box It is a metallic strip that molds integrally
with the metal. (Hereinafter, speaker box (1), speaker unit (2), lip (3) are collectively called a
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speaker device. Next, the operation of the present invention will be described. The speaker device
is connected to a predetermined audio device, and the speaker unit (2) is driven. When input is
applied to the speaker device, the vibration of the speaker unit (2) is transmitted to the wall
surface of the speaker box ill, but since the metal rip (3) is provided on the inner wall of the
speaker box (1) , Reinforce the speaker box (1). Furthermore, since the structural size of each
metal lip (3) is not constant, standing waves with ribs (3) as nodes are unlikely to occur, so that
split resonance is caused by a speaker device using a conventional speaker box As compared
with the case where it is suppressed.
In the above embodiment, although the effect of the present invention of (3) shim was explained
to (1) to (3), the metal ribs (various structural dimensions of 3 are changed and the speaker box
(1 This also contributes to changing and improving the sound quality of the speaker device. As
described above, according to the present invention, since a plurality of metal ribs molded
integrally on the inner wall of the conventional metal speaker box are provided so that the
structural dimensions thereof are not constant, a speaker device with improved sound quality is
obtained There is an effect.
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